Round|Natural|GIA

1.31ct I IF Round Natural Diamond

EX • I/IF • GIA 6555077308

Certificate GIA 6555077308

Diamond specifications and retailer prices

From $6,406 USD
As of October 30, 2026
Save $5,369 USD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,775 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555077308. Listed at 5 retailers as of October 30, 2026, with prices from $6,406 to $11,775, a $5,369 spread on the same certified stone. NZ Jewellers lists it at $11,775. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555077308
Dimensions6.94 × 6.98 × 4.37 mm
L/W Ratio1.01
Star length50%
Top View
6.94 mm6.98 mm1.31 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555077308
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $11,775 USD|Low: $5,154 USD|High: $11,775 USD|Avg: $8,324 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5$6,406 USD
Retailer 4$6,498 USD
Retailer 2$7,345 USD
Retailer 3$10,428 USD
NZ Jewellers$11,775 USD

23 data points across 5 retailers

5 retailers$6,406 USD to $11,775 USD

A
Cheapest Retailer
-
$6,406 USD
B+
Retailer 2
-
$6,498 USD
View
Final sale: no returns
B+
Retailer 3
-
$7,345 USD
€6,995 EUR
View
B
Retailer 4
-
$10,428 USD
£8,211 GBP
View
Most Expensive
B
NZ Jewellers
f507860c-2562-469d-8aa0-2fcc4990d0cc · Oct 30
$11,775 USD
View
4 more retailers have this diamond
Prices start from $6,406 USDSave up to $5,369 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.31ct Round
$6,406 USD